在覆膜砂生产过程中，砂温应高于树脂的塑性-假塑性转变温度。
It was considered that during the production process of RCS the sand temperature should be higher than the plasticity to false-plasticity conversion temperature of resin.
覆膜部分在支架体圆周方向是部分设置的，在覆膜一侧端部设有凸出的标记。
The tectorial membrane part is arranged partially at the circumferential direction of the stent body, and the end part of one side of the tectorial membrane is provided with a protrudent marker.
实践证明，在覆膜阴极表面构造均匀弥散分布的岛状晶体发射点，可大幅度提高阴极的电子发射性能。
It is proved that electron emission performance of M-type cathodes can be greatly improved by building uniformly dispersed island-shape crystal emission spots.
应用推荐